Question: Who is the {music genre} for {based on} of {country music}
Paraphrase: Who is the {music class} for {based on} of {nation music}
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P144 wd:Q83440 . ?sbj wdt:P31 wd:Q188451 } 
Answer: swamp rock, Western music (country)